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Elina [12.6K]
3 years ago
14

Graph the system of equations. { 8x+8y=64 2x−2y=−4

Mathematics
2 answers:
siniylev [52]3 years ago
8 0

What you do is you rearrange and simplify both equations to have them in terms of y, and then graph them. If it asked for a solution, their point of intersection would be the solution.

fiasKO [112]3 years ago
5 0

Answer: graph 3,5 and 8,8

Step-by-step explanation:

i took the test

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Given: 2x + 3y = 1470 Convert to slope intercept form to find the slope and y-intercept.
kirza4 [7]

Answer:

Slope = 2/3 and y-intercept = 490


Step-by-step explanation:

2x + 3y = 1470

3y = -2x + 1470

  y = 2/3 x + 490          <----------Slope intercept form


Slope = 2/3 and y-intercept = 490

7 0
3 years ago
Find the value of X(2x + 4) (2x-9)
kotykmax [81]

2x +4)° 2x-9)°= 4x  2 +8x−9=3

 Pull out like factors :

  2x + 4  =   2 • (x + 2) (4 • (x + 2) • x) -  9

4x • (x + 2) -  9

Factoring  4x2+8x-9  

The first term is,  4x2  its coefficient is  4 .

The middle term is,  +8x  its coefficient is  8 .

The last term, "the constant", is  -9  

Step-1 : Multiply the coefficient of the first term by the constant   4 • -9 = -36  

Step-2 : Find two factors of  -36  whose sum equals the coefficient of the middle term, which is   8 .

     -36    +    1    =    -35  

     -18    +    2    =    -16  

     -12    +    3    =    -9  

     -9    +    4    =    -5  

     -6    +    6    =    0  

     -4    +    9    =    5  

     -3    +    12    =    9  

     -2    +    18    =    16  

     -1    +    36    =    35

x=3

6 0
2 years ago
Read 2 more answers
Which value, when placed in the box, would result in a system of equations with infinitely many solutions?
PSYCHO15rus [73]
For a system of equations to have infinitely many solutions it must describe identical lines.
If you multiply the first equation by 2, then move the x term to the left side, you would get 2y-4x=-10
Final Answer:
-10
Hope I helped :)
4 0
2 years ago
Read 2 more answers
I ACTUALLY REALLY NEED A ANSWER FOR THIS SO IF YOU DONT ACTUALLY NO PLEASE DO NOT ANSWER!!!!
MrMuchimi

Answer:

The surface area is 10.26 feet.

Step-by-step explanation:

A=lw+l(w

2)2+h2+w(l

2)2+h2=0.8·0.8+0.8·(0.8

2)2+62+0.8·(0.8

2)2+62≈10.26131

3 0
3 years ago
38.5 kilometers per hour _____ 642 meters per minute<br> &lt;,&gt;,=?
nikitadnepr [17]
<
38.5000 kph < 38.5199 kph
3 0
3 years ago
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